Pentium-D and SMP

[John Baldwin]

On Wednesday 14 December 2005 07:52 pm, pfgshield-freebsd at yahoo.com wrote:
> Hi;
>
> I installed FreeBSD-AMD64 on my New Dell Dimension 9150. This processor in
> particular (820) has two cores but no hyperthreading:
>
> http://indigo.intel.com/compare_cpu/default.aspx?familyID=1&culture=en-US
>
> The dmesg (attached) is somewhat confusing though:
> - It looks like hyperthreading is *detected* ???

You mean it has the HTT bit set in features?  The bit just means you can ask 
it how many threads it has.  CPUs without HTT but with the HTT cpuid feature 
just say they have 1 core.

> - CPU #1 is "launched", so I guess CPU #0 was already running right?

Yes.

> - The coredumps at the end were caused by atlas-devel trying to find out
> the processor I am using, looks like it only found one so it defaulted to
> no threads.. I think it builds another (threaded) version afterwards so I'm
> not sure what is really happening.

??  Missing attachment maybe?

-- 
John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org